#include <stdio.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <assert.h>
#include <rpmlib.h>
#include <rpmdb.h>

int check_index(rpmdb db, rpmTag tag, const char *str)
{
	rpmdbMatchIterator mi = rpmdbInitIterator(db, tag, str, 0);
	int count = rpmdbGetIteratorCount(mi);
	rpmdbFreeIterator(mi);
	return (count > 0) ? 0 : 1;
}

int qf_or_provides(rpmdb db, const char *path)
{
	if (check_index(db, RPMTAG_BASENAMES, path) == 0)
		return 0;
	if (check_index(db, RPMTAG_PROVIDENAME, path) == 0)
		return 0;
	struct stat st;
	if (lstat(path, &st) == 0)
		fprintf(stderr, "warning: file %s is not owned by any package\n", path);
	else
		fprintf(stderr, "error: file %s: %m\n", path);
	return 1;
}

int main(int argc, char *argv[])
{
	rpmdb db = NULL;
	rpmReadConfigFiles(NULL, NULL);
	rpmdbOpen(NULL, &db, O_RDONLY, 0644);
	assert(db);

	int i, rc = 0;
	for (i = 1; i < argc; i++)
		rc |= qf_or_provides(db, argv[i]);

	return rc;
}